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12.Practice.Tests.for.the.SAT_2015-2016_1128p

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Section 3<br />

154<br />

Practice Test Two<br />

12. If <strong>the</strong> average (arithmetic mean) of? numbers<br />

is greater than 7 and less than 12, which of <strong>the</strong><br />

following could be <strong>the</strong> sum of <strong>the</strong> 7 numbers?<br />

(A) 84<br />

(B) 77<br />

(C) 49<br />

(D) 42<br />

(E) 35<br />

13. If k and s are positive integers and <strong>the</strong> ratio of 2k<br />

to 6s is <strong>the</strong> same as <strong>the</strong> ratio of 6k + 5 to l 8s + 10,<br />

which of <strong>the</strong> following must be true?<br />

I. k = s<br />

II. k = 1.5<br />

III. k = l.5s<br />

(A) None<br />

(B) I only<br />

(C) II only<br />

(D) III only<br />

(E) I and II<br />

14. For all u and v, let V be defined by u\lv = u -v + 2.<br />

What is <strong>the</strong> value of (2\73) V 1?<br />

(A) 0<br />

(B) 1<br />

(C) 2<br />

(D) 3<br />

(E) 4<br />

15. If a < b < 0 < c, which of <strong>the</strong> following must be<br />

true?<br />

I. - b > -a<br />

II. a+ c< b + c<br />

III. a+ b < c<br />

(A) I only<br />

(B) II only<br />

(C) III only<br />

(D) II and III only<br />

(E) I, II, and III<br />

16. The value of 3x + 9 is how much more than <strong>the</strong><br />

value of 3x - 2?<br />

(A) 7<br />

(B) 11<br />

(C) 3x +7<br />

(D) 3x + 11<br />

(E) 6x + 7<br />

17. Ifr = -2 ands=' 5, what is <strong>the</strong> value of r2(2r + s) ?<br />

(A) -36<br />

(B) -28<br />

(C) -4<br />

(D) 4<br />

(E) 36<br />

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